{"product_id":"thermory-4-person-square-sauna-no-42-diy-kit-with-terrace","title":"Thermory 4 Person Square Sauna No 42 DIY Kit with Terrace and Window","description":"\u003cdiv class=\"sauna-product\"\u003e\n\u003ch2 class=\"sauna-product__title\"\u003e4 Person Square Sauna No 42 DIY Kit with Terrace and Window\u003c\/h2\u003e\n\u003cp class=\"sauna-product__text\"\u003eThe \u003cstrong\u003e4 Person Square Sauna No 42 DIY Kit with Terrace and Window\u003c\/strong\u003e is a 3–4 person square sauna DIY kit built from thermally-modified Northern European Spruce — chemical-free, kiln-stable, and engineered to outlast cedar in any climate. Pre-cut and pre-milled with no on-site cutting required, you'll install it in about a day with no specialty tools.\u003c\/p\u003e\n\u003cp class=\"sauna-product__text\"\u003eConfigure your build below: pick a structural Configuration (Sauna Solo or with add-on kits), choose your heater package (Harvia or Homecraft, or bring your own), and add lighting or accessory packages.\u003c\/p\u003e\n\u003ch2 class=\"sauna-product__section-title\"\u003e\u003cstrong\u003eKey Features\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cdiv class=\"sauna-product__table-wrapper\"\u003e\n\u003ctable class=\"sauna-product__table\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd class=\"sauna-product__table-cell sauna-product__label-cell\"\u003e\u003cstrong\u003eCapacity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd class=\"sauna-product__table-cell\"\u003e3–4 Person\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"sauna-product__table-row--alt\"\u003e\n\u003ctd class=\"sauna-product__table-cell sauna-product__label-cell\"\u003e\u003cstrong\u003eConfiguration\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd class=\"sauna-product__table-cell\"\u003eTerrace + Wide Rear Window\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"sauna-product__table-cell sauna-product__label-cell\"\u003e\u003cstrong\u003eBenches\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd class=\"sauna-product__table-cell\"\u003eLower: 6.5 ft × 1.61 ft · Upper: 2.9 ft × 1.61 ft\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"sauna-product__table-row--alt\"\u003e\n\u003ctd class=\"sauna-product__table-cell sauna-product__label-cell\"\u003e\u003cstrong\u003eDoor\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd class=\"sauna-product__table-cell\"\u003e6'2\" tempered-glass entry door\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"sauna-product__table-cell sauna-product__label-cell\"\u003e\u003cstrong\u003eWood\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd class=\"sauna-product__table-cell\"\u003eThermally Modified Northern European Spruce (chemical-free heat \u0026amp; steam treatment)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"sauna-product__table-row--alt\"\u003e\n\u003ctd class=\"sauna-product__table-cell sauna-product__label-cell\"\u003e\u003cstrong\u003eInstallation\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd class=\"sauna-product__table-cell\"\u003eDIY-friendly · pre-cut and pre-milled · no on-site cutting · ~1 day install\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003ch2 class=\"sauna-product__section-title\"\u003eDimensions\u003c\/h2\u003e\n\u003cdiv class=\"sauna-product__table-wrapper\"\u003e\n\u003ctable class=\"sauna-product__table\" style=\"width: 99.9589%; height: 57.7499px;\"\u003e\n\u003ctbody\u003e\n\u003ctr style=\"height: 18.5833px;\"\u003e\n\u003ctd class=\"sauna-product__table-cell sauna-product__label-cell\" style=\"width: 32.6905%; height: 18.5833px;\"\u003e\u003cstrong\u003eOutside\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd class=\"sauna-product__table-cell\" style=\"width: 64.8491%; height: 18.5833px;\"\u003e6.90 ft L × 6.90 ft W × 7.28 ft H\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"sauna-product__table-row--alt\" style=\"height: 19.5833px;\"\u003e\n\u003ctd class=\"sauna-product__table-cell sauna-product__label-cell\" style=\"width: 32.6905%; height: 19.5833px;\"\u003e\u003cstrong\u003eInside\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd class=\"sauna-product__table-cell\" style=\"width: 64.8491%; height: 19.5833px;\"\u003e191 cu ft\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5833px;\"\u003e\n\u003ctd class=\"sauna-product__table-cell sauna-product__label-cell\" style=\"width: 32.6905%; height: 19.5833px;\"\u003e\u003cstrong\u003eInterior Volume\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd class=\"sauna-product__table-cell\" style=\"width: 64.8491%; height: 19.5833px;\"\u003e191 cu ft\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003ch2 class=\"sauna-product__section-title\"\u003e\u003cstrong\u003eChoose Your Heater\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp class=\"sauna-product__text\"\u003ePick from authorized Harvia (Finland) or Homecraft (USA) heater packages. All Homecraft packages include the Outdoor Wifi Touchpad and stones. Harvia packages with Fenix Control add a separate Wi-Fi-enabled touch panel.\u003c\/p\u003e\n\u003cdiv class=\"sauna-product__table-wrapper\"\u003e\n\u003ctable class=\"sauna-product__table sauna-product__heater-table\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd class=\"sauna-product__heater-cell\"\u003e\n\u003cimg class=\"sauna-product__heater-img\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0582\/6386\/3453\/files\/Heater_02.webp?v=1785789161\" alt=\"8 kW Harvia KIP B\"\u003e\n\u003cp class=\"sauna-product__heater-name\"\u003e\u003cstrong\u003e8 kW Harvia KIP B\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"sauna-product__heater-desc\"\u003eMechanical dial control · Stainless steel cabinet\u003cbr\u003e240V 1-Phase · Made in Finland\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"sauna-product__heater-cell\"\u003e\n\u003cimg class=\"sauna-product__heater-img\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0582\/6386\/3453\/files\/Heater_01.webp?v=1785789161\" alt=\"8 kW Harvia KIP W + Stones\"\u003e\n\u003cp class=\"sauna-product__heater-name\"\u003e\u003cstrong\u003e8 kW Harvia KIP W + Stones\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"sauna-product__heater-desc\"\u003eXenio Smart Wi-Fi touch panel · Stainless steel\u003cbr\u003e240V or 208V · Made in Finland\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"sauna-product__heater-cell\"\u003e\n\u003cimg class=\"sauna-product__heater-img\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0582\/6386\/3453\/files\/Heater_03.webp?v=1785789160\" alt=\"8 kW Harvia Spirit + Stones\"\u003e\n\u003cp class=\"sauna-product__heater-name\"\u003e\u003cstrong\u003e8 kW Harvia Spirit + Stones\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"sauna-product__heater-desc\"\u003ePremium wall-mount · Xenio + Fenix Wi-Fi control\u003cbr\u003eStones + Fenix touchscreen included · Made in Finland\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd class=\"sauna-product__heater-cell\"\u003e\n\u003cimg class=\"sauna-product__heater-img\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0582\/6386\/3453\/files\/Heater_04.webp?v=1785789160\" alt=\"6 kW Homecraft Revive Slim\"\u003e\n\u003cp class=\"sauna-product__heater-name\"\u003e\u003cstrong\u003e6 kW Homecraft Revive Slim\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"sauna-product__heater-desc\"\u003eSlim-profile electric · Outdoor Wi-Fi touchpad included\u003cbr\u003eBack baffle · Stones included · 240V · Made in USA\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003ch2 class=\"sauna-product__section-title\"\u003eAdd-on Modifiers\u003c\/h2\u003e\n\u003cp class=\"sauna-product__text\"\u003eStack any add-on with your chosen Configuration and Heater bundle — picked separately so you only pay for what you want.\u003c\/p\u003e\n\u003cul class=\"sauna-product__list\"\u003e\n\u003cli\u003e\n\u003cstrong\u003eUnder-Bench Lighting\u003c\/strong\u003e (+$689) — Warm LED strip lighting concealed beneath the lower bench. Sauna-rated, low-voltage, with dimmer.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBucket, Ladle \u0026amp; Thermometer Package\u003c\/strong\u003e (+$298) — Finnish hardwood bucket with PVC liner, matching ladle, and a sauna-rated thermometer\/hygrometer combo. Ready to use on day one.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 class=\"sauna-product__section-title\"\u003e\u003cstrong\u003eWhy Thermory\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp class=\"sauna-product__text\"\u003eThermory is the only thermally-modified barrel sauna manufacturer in North America. We heat and steam our Nordic spruce to chemically alter the wood at the cellular level — releasing sugars that attract rot, stabilizing the cell walls against moisture, and locking in dimensional stability that cedar can't match. Result: a sauna that doesn't shrink or warp through changing seasons and outperforms competitors on durability, rot-resistance, and clean aesthetic. No chemicals. No sealers required. Just wood, perfected.\u003c\/p\u003e\n\u003ch2 class=\"sauna-product__section-title\"\u003e\u003cstrong\u003eWhat's Included\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cul class=\"sauna-product__list\"\u003e\n\u003cli\u003ePre-cut and pre-milled body staves and wall panels\u003c\/li\u003e\n\u003cli\u003eSauna cradles \u0026amp; metal banding\u003c\/li\u003e\n\u003cli\u003eInterior bench framework, backrest staves, duckboard flooring\u003c\/li\u003e\n\u003cli\u003eTempered-glass front door\u003c\/li\u003e\n\u003cli\u003eAll fasteners, adhesive roof tape, and hardware\u003c\/li\u003e\n\u003cli\u003eHeat shield, cable raceway\u003c\/li\u003e\n\u003cli\u003eRain jacket and exterior trim package\u003c\/li\u003e\n\u003cli\u003eStep-by-step installation guide\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"sauna-product__text\"\u003e\u003cem\u003eHeater not included — select your Harvia heater bundle in the Configuration dropdown above.\u003c\/em\u003e\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Thermory","offers":[{"title":"Thermo Spruce — Sauna Solo \/ No Heater (Bring Your Own) \/ None","offer_id":54165379055984,"sku":"200-KT-250+NOHTR","price":8619.0,"currency_code":"USD","in_stock":true},{"title":"Thermo Spruce — Sauna Solo \/ No Heater (Bring Your Own) \/ Under-Bench Lighting","offer_id":54165379088752,"sku":"200-KT-250+NOHTR+LT","price":9308.0,"currency_code":"USD","in_stock":true},{"title":"Thermo Spruce — Sauna Solo \/ No Heater (Bring Your Own) \/ Bucket, Ladle \u0026 Thermometer Package","offer_id":54165379121520,"sku":"200-KT-250+NOHTR+BL","price":8917.0,"currency_code":"USD","in_stock":true},{"title":"Thermo Spruce — Sauna Solo \/ No Heater (Bring Your Own) \/ Under-Bench Lighting + Bucket Ladle \u0026 Thermometer Package","offer_id":54165379154288,"sku":"200-KT-250+NOHTR+LT+BL","price":9606.0,"currency_code":"USD","in_stock":true},{"title":"Thermo Spruce — Sauna Solo \/ 8 kW Harvia KIP B + Stones \/ None","offer_id":54165379187056,"sku":"200-KT-250+KIPB8+STONES","price":9733.0,"currency_code":"USD","in_stock":true},{"title":"Thermo Spruce — Sauna Solo \/ 8 kW Harvia KIP B + Stones \/ Under-Bench Lighting","offer_id":54165379219824,"sku":"200-KT-250+KIPB8+STONES+LT","price":10422.0,"currency_code":"USD","in_stock":true},{"title":"Thermo Spruce — Sauna Solo \/ 8 kW Harvia KIP B + Stones \/ Bucket, Ladle \u0026 Thermometer Package","offer_id":54165379252592,"sku":"200-KT-250+KIPB8+STONES+BL","price":10031.0,"currency_code":"USD","in_stock":true},{"title":"Thermo Spruce — Sauna Solo \/ 8 kW Harvia KIP B + Stones \/ Under-Bench Lighting + Bucket Ladle \u0026 Thermometer Package","offer_id":54165379285360,"sku":"200-KT-250+KIPB8+STONES+LT+BL","price":10720.0,"currency_code":"USD","in_stock":true},{"title":"Thermo Spruce — Sauna Solo \/ 8 kW Harvia KIP W + Stones + Fenix Ctrl \/ None","offer_id":54165379318128,"sku":"200-KT-250+KIPW8+STONES+FX","price":11062.0,"currency_code":"USD","in_stock":true},{"title":"Thermo Spruce — Sauna Solo \/ 8 kW Harvia KIP W + Stones + Fenix Ctrl \/ Under-Bench Lighting","offer_id":54165379350896,"sku":"200-KT-250+KIPW8+STONES+FX+LT","price":11751.0,"currency_code":"USD","in_stock":true},{"title":"Thermo Spruce — Sauna Solo \/ 8 kW Harvia KIP W + Stones + Fenix Ctrl \/ Bucket, Ladle \u0026 Thermometer Package","offer_id":54165379383664,"sku":"200-KT-250+KIPW8+STONES+FX+BL","price":11360.0,"currency_code":"USD","in_stock":true},{"title":"Thermo Spruce — Sauna Solo \/ 8 kW Harvia KIP W + Stones + Fenix Ctrl \/ Under-Bench Lighting + Bucket Ladle \u0026 Thermometer Package","offer_id":54165379416432,"sku":"200-KT-250+KIPW8+STONES+FX+LT+BL","price":12049.0,"currency_code":"USD","in_stock":true},{"title":"Thermo Spruce — Sauna Solo \/ 8 kW Harvia Spirit + Stones + Fenix Ctrl \/ None","offer_id":54165379449200,"sku":"200-KT-250+SP8+STONES+FX","price":12201.0,"currency_code":"USD","in_stock":true},{"title":"Thermo Spruce — Sauna Solo \/ 8 kW Harvia Spirit + Stones + Fenix Ctrl \/ Under-Bench Lighting","offer_id":54165379481968,"sku":"200-KT-250+SP8+STONES+FX+LT","price":12890.0,"currency_code":"USD","in_stock":true},{"title":"Thermo Spruce — Sauna Solo \/ 8 kW Harvia Spirit + Stones + Fenix Ctrl \/ Bucket, Ladle \u0026 Thermometer Package","offer_id":54165379514736,"sku":"200-KT-250+SP8+STONES+FX+BL","price":12499.0,"currency_code":"USD","in_stock":true},{"title":"Thermo Spruce — Sauna Solo \/ 8 kW Harvia Spirit + Stones + Fenix Ctrl \/ Under-Bench Lighting + Bucket Ladle \u0026 Thermometer Package","offer_id":54165379547504,"sku":"200-KT-250+SP8+STONES+FX+LT+BL","price":13188.0,"currency_code":"USD","in_stock":true},{"title":"Thermo Spruce — Sauna Solo \/ 6 kW Homecraft Revive Slim (Outdoor Wifi + Stones) \/ None","offer_id":54165379580272,"sku":"200-KT-250+HC-RVS6-ODW-ST","price":11194.0,"currency_code":"USD","in_stock":true},{"title":"Thermo Spruce — Sauna Solo \/ 6 kW Homecraft Revive Slim (Outdoor Wifi + Stones) \/ Under-Bench Lighting","offer_id":54165379613040,"sku":"200-KT-250+HC-RVS6-ODW-ST+LT","price":11883.0,"currency_code":"USD","in_stock":true},{"title":"Thermo Spruce — Sauna Solo \/ 6 kW Homecraft Revive Slim (Outdoor Wifi + Stones) \/ Bucket, Ladle \u0026 Thermometer Package","offer_id":54165379645808,"sku":"200-KT-250+HC-RVS6-ODW-ST+BL","price":11492.0,"currency_code":"USD","in_stock":true},{"title":"Thermo Spruce — Sauna Solo \/ 6 kW Homecraft Revive Slim (Outdoor Wifi + Stones) \/ Under-Bench Lighting + Bucket Ladle \u0026 Thermometer Package","offer_id":54165379678576,"sku":"200-KT-250+HC-RVS6-ODW-ST+LT+BL","price":12181.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0594\/9440\/0200\/files\/Thermory5PersonLuikSeriesSauna08.webp?v=1790785378","url":"https:\/\/www.steamsaunasupply.com\/products\/thermory-4-person-square-sauna-no-42-diy-kit-with-terrace","provider":"Steam Sauna Supply","version":"1.0","type":"link"}